Radiotherapy fixing frame with adjustable height

Abstract

The utility model discloses a height-adjustable radiotherapy fixing frame. The height-adjustable radiotherapy fixing frame comprises a base; the support is vertically and fixedly installed on the base, and a first sliding groove extending in the height direction of the support is formed in the support; the stool is arranged on the front side of the support, a protruding block is arranged on the rear side of the stool, and the protruding block extends into the first sliding groove and is in sliding fit with the first sliding groove; the stool adjusting mechanism is arranged on the support and used for driving the stool to move up and down along the first sliding groove so as to adjust the height of the stool on the support; the head fixing mechanism is arranged on the portion, located above the stool, of the support, the head fixing mechanism can move up and down in the height direction of the support, and the head fixing mechanism is suitable for fixing the head of the patient. According to the utility model, the heads of patients with different heights can be quickly and accurately positioned, and the patients can keep comfortable postures for radiotherapy.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to a radiotherapy fixing frame with adjustable height. Background Art

[0002] When cancer patients undergo radiotherapy, they often need to use a fixation frame to assist in fixing the patient's body to prevent the patient from shifting during the radiotherapy process. The head position bracket of the fixation frame needs to be adjusted according to the height of different patients.

[0003] At present, it is very troublesome to adjust the bracket at the head position of the existing fixing frame. The fixing bolts need to be removed, and then the head bracket is installed at a suitable height according to the patient's height through bolts. This is not only very troublesome, but also difficult to master the accuracy of adjustment. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model of the present invention provides a radiotherapy fixation frame with adjustable height, which is designed to quickly and accurately position the head of patients of different heights and enable patients to maintain a comfortable posture for radiotherapy.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A height-adjustable radiotherapy fixation frame comprises: a base; a bracket, which is vertically fixedly mounted on the base, and the bracket is provided with a first slide groove extending along its height direction; a stool, which is arranged on the front side of the bracket, and the rear side of the stool has a protruding block, and the protruding block extends into the first slide groove and slidably cooperates with the first slide groove; a stool adjustment mechanism, which is arranged on the bracket and is used to drive the stool to move up and down along the first slide groove to adjust the height of the stool on the bracket; a head fixing mechanism, which is arranged on the bracket above the stool, and the head fixing mechanism can move up and down along the height direction of the bracket, and the head fixing mechanism is suitable for fixing the patient's head.

[0007] Preferably, the seat adjustment mechanism includes: a first lead screw, which is rotatably supported in the first slide groove by a bearing, and the first lead screw is threadedly connected to the protruding block of the seat to form a lead screw nut pair; a driven bevel gear, fixedly mounted on the lower end of the first lead screw; a rotating rod, rotatably arranged on the side of the bracket, and the first end of the rotating rod extends into the first slide groove after passing through the bracket; a driving bevel gear, fixedly mounted on the first end of the rotating rod, and the driving bevel gear is meshed with the driven bevel gear; a rocker, fixedly mounted on the second end of the rotating rod, and used to drive the rotating rod to rotate clockwise or counterclockwise.

[0008] Preferably, the head fixing mechanism includes: a second slide groove, two second slide grooves are opened on the left and right sides of the bracket along the height direction; a slide plate, which is arranged on the front side of the bracket above the bench, and the left and right ends of the slide plate form sliding blocks and extend into the second slide grooves to slide with them; a second lead screw is rotatably supported in one of the second slide grooves by a bearing, and the upper end of the second lead screw passes through the top end of the bracket, and the second lead screw is threadedly connected to the sliding block at one end of the slide plate to form a lead screw nut pair; a rotating handle is fixedly mounted on the upper end of the second lead screw, and is used to drive the second lead screw to rotate clockwise or counterclockwise; a head fixing belt is arranged on the front side of the slide plate, and is used to fix the patient's head; a scale is arranged on one side of the bracket, and is used to observe the height position of the patient's head; a pointer is arranged on one side of the slide plate and is in contact with the scale, and is used to judge the sliding height of the slide plate.

[0009] Preferably, two damping telescopic rods are vertically arranged below the bench, and the fixed ends of the damping telescopic rods are fixed to the base, and the movable ends of the damping telescopic rods are fixedly connected to the bottom of the bench.

[0010] Preferably, handrails are fixedly mounted on both sides of the upper surface of the bench.

[0011] Preferably, an elastic pad is fixedly connected to the outer side of the slide plate.

[0012] Preferably, reinforcing ribs are provided on both the front and rear sides of the bracket, and two right-angled sides of the reinforcing ribs are fixedly connected to the base and the bracket respectively.

[0013] The utility model adopts the above technical solution, which has the following advantages:

[0014] 1. The radiotherapy fixation frame provided by the utility model can observe the height position of the patient's head through the scale when the patient sits on the stool, and then drive the slide plate to slide downward by rotating the arm to rotate the lead screw. At the same time, the sliding height of the slide plate can be observed through the pointer in conjunction with the scale. The height of the patient's head is observed according to the scale, and the slide plate is slid to the appropriate height in conjunction with the pointer, so that the heads of patients of different heights can be quickly and accurately positioned.

[0015] 2. The radiotherapy fixing frame provided by the utility model can rotate the rotating rod through the rocker, and at the same time cooperate with the driving bevel gear, the driven bevel gear and the lead screw to make the seat slide inside the slide groove, so that the height of the seat can be adjusted. According to patients of different heights, the appropriate sitting posture can be adjusted to enable the patient to maintain a comfortable posture for radiotherapy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Throughout the accompanying drawings, the same reference numerals are used to represent the same components. In the accompanying drawings:

[0017] Figure 1 A schematic diagram of the overall structure of a radiotherapy fixation frame provided by an embodiment of the utility model at a first viewing angle;

[0018] Figure 2 This is a schematic diagram of the overall structure of the radiotherapy fixation frame provided by this embodiment of the utility model at a second viewing angle;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 This is a schematic structural diagram of a head fixing mechanism provided in one embodiment of the utility model.

[0021] The reference numerals in the figures are as follows:

[0022] 1. Base; 2. Bracket; 3. First slide; 4. Stool; 5. Stool adjustment mechanism; 6. Head fixing mechanism; 7. Damping telescopic rod; 8. Handrail; 9. Elastic pad; 10. Strengthening rib plate;

[0023] 51. first lead screw; 52. driven bevel gear; 53. rotating rod; 54. driving bevel gear; 55. rocker;

[0024] 61. Second slide groove; 62. Slide plate; 63. Second lead screw; 64. Rotating handle; 65. Head fixing belt; 66. Scale; 67. Pointer. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "assembly", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The height-adjustable radiotherapy fixing frame provided by the utility model comprises: a base; a bracket, which is vertically fixedly mounted on the base, and the bracket is provided with a first slide groove extending along its height direction; a stool, which is arranged on the front side of the bracket, and the rear side of the stool has a protruding block, which extends into the first slide groove and slides with it; a stool adjustment mechanism, which is arranged on the bracket and is used to drive the stool to move up and down along the first slide groove to adjust the height of the stool on the bracket; a head fixing mechanism, which is arranged on the bracket above the stool, and the head fixing mechanism can move up and down along the height direction of the bracket, and the head fixing mechanism is suitable for fixing the patient's head. The utility model can quickly and accurately locate the heads of patients of different heights, and can enable patients to maintain a comfortable posture for radiotherapy.

[0029] The height-adjustable radiotherapy fixation frame provided by the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.

[0030] See also Figure 1 , Figure 2 The height-adjustable radiotherapy fixture provided in this embodiment includes: a base 1; a bracket 2, which is vertically fixedly installed on the base 1, and the bracket 2 is provided with a first slide groove 3 extending along its height direction; a stool 4, which is arranged on the front side of the bracket 2, and the rear side of the stool 4 has a protruding block, which extends into the first slide groove 3 and slides with it; a stool adjustment mechanism 5, which is arranged on the bracket 2, and is used to drive the stool 4 to move up and down along the first slide groove 3 to adjust the height of the stool 4 on the bracket 2; a head fixing mechanism 6, which is arranged on the bracket 2 located above the stool 4, and the head fixing mechanism 6 can move up and down along the height direction of the bracket 2, and the head fixing mechanism 6 is suitable for fixing the patient's head.

[0031] In the above embodiments, preferably, please refer to Figure 2 , Figure 3 The seat adjustment mechanism 5 includes: a first lead screw 51, which is rotatably supported in the first slide groove 3 through a bearing, and the first lead screw 51 is threadedly connected to the protruding block of the seat 4 to form a lead screw nut pair; a driven bevel gear 52, which is fixedly mounted on the lower end of the first lead screw 51; a rotating rod 53, which is rotatably arranged on the side of the bracket 2, and the first end of the rotating rod 53 penetrates the bracket 2 and then extends into the first slide groove 3; an active bevel gear 54, which is fixedly mounted on the first end of the rotating rod 53, and the active bevel gear 54 is meshed with the driven bevel gear 52; a rocker 55, which is fixedly mounted on the second end of the rotating rod 53, and is used to drive the rotating rod 53 to rotate clockwise or counterclockwise.

[0032] In the above embodiments, preferably, please refer to Figure 2 , Figure 4 The head fixing mechanism 6 includes: a second slide groove 61, two second slide grooves 61 are opened on the left and right sides of the bracket 2 along the height direction; a slide plate 62 is arranged on the front side of the bracket 2 above the bench 4, and the left and right ends of the slide plate 62 form sliding blocks and extend into the second slide groove 61 to slide and cooperate with it; a second lead screw 63 is rotatably supported in one of the second slide grooves 63 through a bearing, and the upper end of the second lead screw 63 passes through the top of the bracket 2, and the second lead screw 63 is threadedly connected with the sliding block at one end of the slide plate 62 to form a lead screw nut pair; a rotating handle 64 is fixedly mounted on the upper end of the second lead screw 63, and is used to drive the second lead screw 63 to rotate clockwise or counterclockwise; a head fixing belt 65 is arranged on the front side of the slide plate 62, and is used to fix the patient's head; a scale 66 is arranged on one side of the bracket 2, and is used to observe the height position of the patient's head; a pointer 67 is arranged on one side of the slide plate 62 and is in contact with the scale 66, and is used to judge the sliding height of the slide plate 62.

[0033] In the above embodiments, preferably, please refer to Figure 1 , Figure 2 Two damping telescopic rods 7 are vertically arranged below the stool 4, and the fixed ends of the damping telescopic rods 7 are fixed on the base 1, and the movable ends of the damping telescopic rods 7 are fixedly connected to the bottom of the stool 4. The damping telescopic rods 7 can not only guide the stool 4, but also provide a certain supporting force for the stool 4 to avoid the patient's weight acting entirely on the first screw 51.

[0034] In the above embodiment, preferably, handrails 8 are fixedly installed on both sides of the upper surface of the stool 4, and the patient can hold the handrails 8 to improve the patient's own stability during the ascent.

[0035] In the above embodiments, preferably, please refer to Figure 2 , Figure 4An elastic pad 9 is fixedly connected to the outer side of the slide plate 62, and the elastic pad 9 can protect the patient's head and improve the patient's comfort.

[0036] In the above embodiments, preferably, please refer to Figure 1 Reinforcement ribs 10 are provided on both the front and rear sides of the bracket 2 , and the two right-angled sides of the reinforcement ribs 10 are fixedly connected to the base 1 and the bracket 2 respectively, thereby making the bracket 2 firmly fixed on the base 1 .

[0037] When the radiotherapy chair provided by the utility model is in use, its working principle is as follows:

[0038] The patient first sits on the stool 4, and then drives the rotating rod 53 to rotate clockwise or counterclockwise through the rocker 55, and then drives the first screw 51 to rotate forward or reversely through the cooperation of the active bevel gear 54 and the driven bevel gear 53, thereby driving the stool 4 to rise or fall along the first slide groove 3, thereby using the stool 4 to adjust the sitting height of patients of different heights, so that the patients can maintain a comfortable posture during radiotherapy; at this time, the height position of the patient's head can be observed through the scale 66, and then the second screw 63 is rotated by rotating the handle 64, thereby driving the slide plate 62 threadedly connected thereto to slide up or down, and at the same time, the sliding height of the slide plate 62 can be judged by the pointer 66, so that the slide plate 62 drives the head fixing belt 65 to slide to the patient's head position, and then the head fixing belt 65 is used to restrain the patient's head, so that fast and accurate positioning can be performed according to patients of different heights.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A radiotherapy fixation frame with adjustable height, It is characterized in that include: Base; A bracket is vertically fixedly mounted on the base, and the bracket is provided with a first slide groove extending along its height direction; A bench, arranged on the front side of the bracket, and having a protruding block on the rear side of the bench, the protruding block extends into the first sliding groove and slidably cooperates therewith; A seat adjustment mechanism, disposed on the bracket, for driving the seat to move up and down along the first slide slot to adjust the height of the seat on the bracket; The head fixing mechanism is arranged on the support above the bench, and the head fixing mechanism can move up and down along the height direction of the support, and the head fixing mechanism is suitable for fixing the patient's head.

2. The radiotherapy fixation frame according to claim 1, It is characterized in that The seat adjustment mechanism comprises: A first lead screw is rotatably supported in the first slide groove through a bearing, and the first lead screw is threadedly connected to the protruding block of the bench to form a lead screw nut pair; A driven bevel gear, fixedly mounted on the lower end of the first lead screw; A rotating rod is rotatably disposed on a side of the bracket, and a first end of the rotating rod penetrates through the bracket and then extends into the first sliding groove; A driving bevel gear is fixedly mounted on the first end of the rotating rod, and the driving bevel gear is meshed with the driven bevel gear; The rocker is fixedly mounted on the second end of the rotating rod and is used to drive the rotating rod to rotate clockwise or counterclockwise.

3. The radiotherapy fixation frame according to claim 1, It is characterized in that The head fixing mechanism comprises: A second slide groove, two of which are arranged on the left and right sides of the bracket along the height direction; A slide plate is arranged on the front side of the bracket above the bench, and the left and right ends of the slide plate form sliding blocks and extend into the second slide groove to slide with the second slide groove; A second lead screw is rotatably supported in one of the second slide grooves through a bearing, and the upper end of the second lead screw passes through the top end of the bracket, and the second lead screw is threadedly connected to the sliding block at one end of the slide plate to form a lead screw nut pair; A rotating handle, fixedly mounted on the upper end of the second lead screw, for driving the second lead screw to rotate clockwise or counterclockwise; A head fixing belt, arranged at the front side of the slide board, for fixing the patient's head; A scale, arranged on one side of the support, for observing the height position of the patient's head; A pointer is arranged on one side of the slide plate and is in contact with the scale, and is used to judge the sliding height of the slide plate.

4. The radiotherapy fixation frame according to claim 1, It is characterized in that Two damping telescopic rods are also vertically arranged below the bench, and the fixed ends of the damping telescopic rods are fixed on the base, and the movable ends of the damping telescopic rods are fixedly connected to the bottom of the bench.

5. The radiotherapy fixation frame according to claim 1, It is characterized in that Handrails are fixedly installed on both sides of the upper surface of the bench.

6. The radiotherapy fixation frame according to claim 3, It is characterized in that An elastic pad is fixedly connected to the outer side of the slide plate.

7. The radiotherapy fixation frame according to any one of claims 1 to 6, It is characterized in that Reinforcement ribs are arranged on both the front and rear sides of the bracket, and two right-angled sides of the reinforcement ribs are fixedly connected to the base and the bracket respectively.

Images